1330505215 has 8 divisors (see below), whose sum is σ = 1719422208. Its totient is φ = 982526880.

The previous prime is 1330505203. The next prime is 1330505249. The reversal of 1330505215 is 5125050331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1330505215 - 2²⁵ = 1296950783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330505215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10234591 + ... + 10234720.

It is an arithmetic number, because the mean of its divisors is an integer number (214927776).

Almost surely, 2^1330505215 is an apocalyptic number.

1330505215 is a deficient number, since it is larger than the sum of its proper divisors (388916993).

1330505215 is a wasteful number, since it uses less digits than its factorization.

1330505215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20469329.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 1330505215 is about 36476.0910049309. The cubic root of 1330505215 is about 1099.8636786989.

Adding to 1330505215 its reverse (5125050331), we get a palindrome (6455555546).

The spelling of 1330505215 in words is "one billion, three hundred thirty million, five hundred five thousand, two hundred fifteen".